G751_05 [GMT]

Digital Temperature Sensor and Thermal Watchdog with Two-Wire Interface; 数字温度传感器和热看门狗具有双线接口
G751_05
型号: G751_05
厂家: GLOBAL MIXED-MODE TECHNOLOGY INC    GLOBAL MIXED-MODE TECHNOLOGY INC
描述:

Digital Temperature Sensor and Thermal Watchdog with Two-Wire Interface
数字温度传感器和热看门狗具有双线接口

传感器 温度传感器
文件: 总12页 (文件大小:258K)
中文:  中文翻译
下载:  下载PDF数据表文档文件
Global Mixed-mode Technology Inc.  
G751  
Digital Temperature Sensor and Thermal Watchdog  
with Two-Wire Interface  
General Description  
Features  
The G751 is a temperature sensor, Delta-Sigma  
analog-to-digital converter, and digital over- tem-  
perature detector with SMBus interface. The host  
can query the G751 at any time to read temperature.  
The open-drain Over temperature Shutdown (O.S.)  
output becomes active when the temperature ex-  
ceeds a programmable limit. This pin can operate in  
either Comparatoror Interruptmode.  
„
SMBus interface  
Programmable Trip Point (TOS) and Hysteresis  
(THYST  
„
)
„
Separate open-drain output pin operates as  
interrupt or comparator at output  
Register readback capability  
Power up defaults permit stand-alone opera-  
tion as thermostat  
„
„
The host can program both the temperature alarm  
threshold (TOS) and the temperature at which the  
alarm condition goes away (THYST). In addition, the  
host can read back the contents of the G751's TOS  
and THYST registers. The sensor powers up in Com-  
parator mode with default thresholds of 50°C TOS  
45°C THYST. for G751-1 and 80°C TOS , 75°C THYST  
for G751-2.  
„
„
Shutdown mode to minimize power con-  
sumption  
Up to 8 G751s can be connected to a single  
bus  
Key Specifications  
„
Supply Voltage  
Supply Current  
3.0V to 5.5V  
280µA (typ)  
1mA (max)  
2µA(typ)  
„
operating  
shutdown  
Ordering Information  
„
Temperature Accuracy  
-25°C to 100°C ±2°C (max)  
-55°C to 125°C ±3°C (max)  
ORDER  
ORDER  
NUMBER  
NUMBER  
(Pb free)  
G751-1P1f  
G751-2P1f  
G751-2P8f  
T
OS THYST  
PACKAGE  
G751-1P1  
G751-2P1  
G751-2P8  
50°C/45°C  
80°C/75°C  
80°C/75°C  
80°C/75°C  
SOP-8  
SOP-8  
Applications  
„
„
„
„
System Thermal Management  
Personal Computers  
Office Electronics  
MSOP-8  
TDFN3X3-8  
G751-2RD G751-2RDf  
Electronic Test Equipment  
P1: SOP-8; P8: MSOP-8; RD: TDFN3X3-8  
Pin Configuration  
Typical Application  
+VS 3V to 5.5V  
Typical Bypass 0.1µF  
(Unless mounted close  
to Processor)  
G751  
G751  
8
7
A0  
6
+Vs  
SMBDATA  
1
2
3
1
2
3
4
8
8
+Vs  
A0  
SMBDATA  
Address(Set as  
A1  
A2  
desired)  
5
A0  
A1  
A2  
SMBCLK  
O.S.  
7
6
5
7
6
5
3
SMBCLK  
O.S.  
To Processor  
Interrupt Line  
Thermal  
Pad  
G751  
O.S. Out  
A1  
1
2
SMBDATA  
SMBCLK  
Interface  
GND  
A2  
4
GND  
4
O.S. Set for active low for  
wire OR’d multiple  
interrupt line  
SOP-8/MSOP-8  
TDFN3X3-8  
Note: Recommend connecting the Thermal Pad to the GND or let it keep floating.  
TEL: 886-3-5788833  
http://www.gmt.com.tw  
Ver: 2.7  
Dec 23, 2005  
1
Global Mixed-mode Technology Inc.  
Absolute Maximum Ratings  
G751  
Vcc to GND. . . . . . . . . . . . . . . . . . . . . . . .-0.3V to +6V  
SMBCLK, SMBDAT, O.S., A0, A1, A2 to GND...-0.3V to +6V  
SMBDATA, O.S. Current. . . . . . . . . . .-1mA to +50mA  
ESD Protection (human body model). . . . . . . . .2000V  
Continuous Power Dissipation (TA= +70°C)  
MSOP/TDFN (derate 7.14mW/°C above 70°C). . .571mW  
Operating Temperature Range. . . . . -55°C to +125°C  
Junction Temperature. . . . . . . . . . . . .. . . . . . .+150°C  
Storage temperature Range. . . . . . .-65°C to +165°C  
Reflow Temperature (soldering,10sec). . . .. . .+260°C  
SOP (derate 8.30mW/°C above +70°C) . . . . .667mW  
Stresses beyond those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are  
stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the opera-  
tional sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may  
affect device reliability.  
Temperature-to-Digital Converter Characteristics  
Unless otherwise noted, these specifications apply for +Vs=+3.3V Vdc. Boldface limits apply for TA=TJ=TMIN to  
T
MAX; all other limits TA=TJ= +25°C, unless otherwise noted.  
PARAMETER  
CONDITIONS  
TA=-25°C to +100°C  
TA=-55°C to +125°C  
TYPICAL  
LIMITS  
±2.0  
±3.0  
UNITS  
Accuracy  
°C (max)  
Resolution  
9
100  
0.25  
1
Bits  
Temperature Conversion Time  
ms  
SMBus Inactive  
SMBus Active  
Shutdown Mode  
IOUT = 4.0mA  
mA  
Quiescent Current  
1.0  
mA (max)  
µA  
V (max)  
O.S. Output Saturation Voltage  
O.S. Delay  
0.8  
1
Conversions (min)  
Conversions (max)  
°C  
6
TOS Default Temperature G751-1/G751-2  
THYST Default Temperature G751-1/G751-2  
50/80  
45/75  
°C  
Block Diagram  
+VS 3.0V - 5.5V  
8
Temperature  
3
O.S.  
Threshold  
9-Bit Delta-Sigma  
Analog-to-Digital  
Converter  
Set Point  
Comparator  
TOS Set Point  
Register  
Reset  
Silicon  
Bandgap  
Temperature  
Sensor  
Pointer  
Register  
Configuration  
Register  
THYST Set Point  
Register  
7
A0  
6
1
2
SMBDATA  
SMBCLK  
Two-Wire Interface  
4
A1  
5
A2  
TEL: 886-3-5788833  
http://www.gmt.com.tw  
Ver: 2.7  
Dec 23, 2005  
2
Global Mixed-mode Technology Inc.  
G751  
Logic Electrical Characteristics  
Digital DC Characteristics  
Unless otherwise noted, these specifications apply for +Vs=+3.3 Vdc. Boldface limits apply for TA=TJ=TMIN to  
MAX; all other limits TA=TJ=+25°C, unless otherwise noted.  
T
SYMBOL  
PARAMETER  
CONDITIONS  
TYPICAL  
LIMITS  
+Vs× 0.7  
+Vs + 0.5  
UNITS  
V (min)  
V (max)  
V (min)  
V (max)  
µA  
VIN (1)  
Logical 1Input Voltage  
-0.3  
+Vs×0.3  
VIN (0)  
Logical 0Input Voltage  
IIN (1)  
IIN (0)  
CIN  
Logical 1Intput Current  
Logical 0Intput Current  
All Digital Inputs  
VIN=5V  
VIN=0V  
0.005  
-0.005  
20  
1.0  
-1.0  
µA  
pF  
IOH  
High Level Output Current  
Low Level Output Voltage  
Output Fall Time  
VOH=5V  
IOL=3mA  
100  
0.4  
µA (max)  
V (max)  
ns (max)  
VOL  
tOF  
CL=400pF,IO=3mA  
250  
SMBus Digital Switching Characteristics  
Unless otherwise noted, these specifications apply for +Vs = +3.3 Vdc and CL (load capacitance) on output lines =  
80pF unless otherwise specified. Boldface limits apply for TA = TJ = TMIN to TMAX; all other limits TA = TJ = +25°C,  
unless otherwise noted.  
The switching characteristics of the G751 fully meet or exceed the published specifications of the SMBus. The fol-  
lowing parameters are the timing relationships between SMBCLK and SMBDATA signals related to the G751.  
They are not the SMBus specifications.  
SYMBOL  
PARAMETER  
CONDITIONS TYPICAL LIMITS UNITS  
t1  
t2  
t3  
t4  
t5  
SMBCLK (Clock) Period  
2.5  
100  
0
µs (min)  
ns (min)  
ns (min)  
ns (min)  
ns (min)  
Data in Set-Up Time to SMBCLK High  
Data Out Stable after SMBCLK Low  
SMBDATA Low Set-Up Time to SMBCLK Low (Start Condition)  
SMBDATA High Hold Time after SMBCLK High (Stop Condition)  
100  
100  
Pin Description  
PIN  
LABEL  
SMBDATA  
SMBCLK  
O.S.  
FUNCTION  
SMBus Serial Bi-Directional Data Line  
SMBus Clock Input  
TYPICAL CONNECTION  
1
From Controller  
2
3
From Controller  
Overtemperature Shutdown Open Drain Output  
Power Supply Ground  
Pull Up Resistor, Controller Interrupt Line  
Ground  
4
GND  
5,6,7  
8
A0-A2  
User-Set SMBus Address Inputs  
Positive Supply Voltage Input  
Ground (Low, 0) or +Vs (High, 1)  
DC Voltage from 3V to 5.5V  
+Vs  
Thermal Pad Recommend connecting the Thermal Pad to the  
GND or let it keep floating.  
t1  
SMBCLK  
t5  
t4  
SMBDATA  
Data in  
t2  
SMBDATA  
Data out  
t3  
TEL: 886-3-5788833  
http://www.gmt.com.tw  
Ver: 2.7  
Dec 26, 2005  
3
Global Mixed-mode Technology Inc.  
Logic Electrical Characteristics  
G751  
0,1111,1010  
+25°C  
+0.5°C  
0,0011,0010  
0,0000,0001  
0,0000,0000  
Temperature  
0°C  
-55°C  
1,1111,1111  
1,1100,1110  
+125°C  
-0.5°C  
1,1001,0010  
-25°C  
Temperature-to-Digital Transfer Function (Non-linear scale for clarity)  
Default Modes  
Functional Description  
G751 always powers up in a known state. G751  
power up default conditions are:  
1. Comparator mode  
2. TOS set to 50°C for G751-1, to 80°C for G751-2  
3. THYST set to 45°C for G751-1, to 75°C for G751-2  
4. O.S. active low  
5. Pointer set to 00; Temperature Register  
With these operating conditions G751 can act as a  
stand-alone thermostat with the above temperature  
settings. Connection to an SMBus is not required.  
The G751 temperature sensor incorporates  
a
band-gap type temperature sensor and 9-bit ADC  
(Delta-Sigma Analog- to-Digital Converter). The tem-  
perature data output of the G751 is available at all  
times via the SMBus. If a conversion is in progress, it  
will be stopped and restarted after the read. A digital  
comparator is also incorporated that compares a se-  
ries of readings, the number of which is  
user-selectable, to user-programmable setpoint and  
hysteresis values. The comparator trips the O.S. out-  
put line, which is programmable for mode and polarity.  
SMBus Interface  
The G751 op erates as a slave on the SMBus, so  
the SMBCLK line is an input (no clock is generated  
O.S. Output, TOS and THYST Limits  
In Comparator mode the O.S. Output behaves like a  
thermostat. The output becomes active when tem-  
perature exceeds the TOS limit, and leaves the active  
state when the temperature drops below the THYST  
limit. In this mode the O.S. output can be used to  
turn a cooling fan on, initiate an emergency system  
shutdown, or reduce system clock speed. Shutdown  
mode does not reset O.S. state in a comparator  
mode.  
by the G751) and the SMBDATA line is  
a
bi-directional serial data path. According to SMBus  
specifications, the G751 has a 7-bit slave address.  
The four most significant bits of the slave address  
are hard wired inside the G751 and are 1001. The  
three least significant bits of the address are as-  
signed to pins A2-A0, and are set by connecting  
these pins to ground for a low, (0); or to +Vs for a  
high, (1).  
In interrupt mode exceeding TOS also makes O.S.  
active but O.S. will remain active indefinitely until  
reset by reading any register via the SMBus inter-  
face. Once O.S. has been activated by crossing TOS,  
then reset, it can activated again only by Tempera-  
ture going below THYST. Again, it will remain active  
indefinitely until being reset by a read. Placing the  
G751 in shutdown mode also resets the O.S. output.  
Therefore, the complete slave address is:  
1
0
0
1
A2  
A1  
A0  
MSB  
LSB  
TEL: 886-3-5788833  
http://www.gmt.com.tw  
Ver: 2.7  
Dec 26, 2005  
4
Global Mixed-mode Technology Inc.  
G751  
Shutdown Mode  
Shutdown mode is enabled by setting the shutdown  
bit in the Configuration register via the SMBus. Shut-  
down mode reduces power supply current to 1µA  
typical. In interrupt mode O.S. is reset if previously  
set and is undefined in Compatator mode during  
shutdown. The SMBus interface remains active. Ac-  
tivity on the clock and data lines of the SMBus may  
slightly increase shutdown mode quiescent current.  
TOS, THYST, and Configuration registers can be read  
from and written to in shutdown mode.  
*
*
*
Fault Queue  
A fault queue of up to 6 faults is provided to prevent  
false tripping of O.S. when the G751 is used in noisy  
environments. The number of faults set in the queue  
must occur consecutively to set the O.S. output.  
Comparator/Interrupt Mode  
As indicated in the O.S. Output Temperature Re-  
sponse Diagram, Figure 1, the events that trigger  
O.S. are identical for either Comparator or Interrupt  
mode. The most important difference is that in Inter-  
rupt mode the O.S. will remain set indefinitely once it  
has been set. To reset O.S. while in Interrupt mode,  
perform a read from any register in the G751.  
O.S. Output  
The O.S. output is an open-drain output and does  
not have an internal pull-up. A highlevel will not be  
observed on this pin until pull-up current is provided  
from some external source, typically a pull-up resis-  
tor. Choice of resistor value depends on many sys-  
tem factors but, in general, the pull-up resistor  
should be as large as possible. This will minimize  
any errors due to internal heating of the G751. The  
maximum resistance of the pull up, based on G751  
specification for High Level Output Current, to pro-  
vide a 2V high level, is 30kΩ.  
Figure1 O.S. Output Temperature Response Dia-  
gram  
Temperature Data Format  
Temperature data can be read from the Temperature,  
TOS Set Point, and THYST Set Point registers; and  
written to the TOS Set Point, and THYST Set Point reg-  
isters. Temperature data is represented  
by a 9-bit, two’s complement word with an LSB  
(Least Significant Bit) equal to 0.5°C:  
O.S. Polarity  
The O.S. output can be programmed via the con-  
figuration register to be either active low (default  
mode), or active high. In active low mode the O.S.  
output goes low when triggered exactly as shown on  
the O.S. Output Temperature Response Diagram,  
Figure 1. Active high simply inverts the polarity of the  
O.S. output.  
DIGITAL OUTPUT  
TEMPERATURE  
BINARY  
HEX  
0FAh  
032h  
001h  
000h  
1FFh  
1CEh  
192h  
+125°C  
+25°C  
+0.5°C  
0°C  
0 1111 1010  
0 0011 0010  
0 0000 0001  
0 0000 0000  
1 1111 1111  
1 1100 1110  
1 1001 0010  
-0.5°C  
-25°C  
-55°C  
TEL: 886-3-5788833  
http://www.gmt.com.tw  
Ver: 2.7  
Dec 26, 2005  
5
Global Mixed-mode Technology Inc.  
Internal Register Structure  
G751  
SMBDATA  
SMBCLK  
Interface  
Data  
Address  
Pointer Register  
(Selects register for  
communication  
Register Select  
Configuration  
(Read-write, sets operating  
Mode)  
Temperature  
(Read-only)  
Pointer = 00000000  
Pointer = 00000001  
TOS Set Point  
(Read-write)  
THYST Set Point  
(Read-write)  
Pointer = 00000011  
Pointer = 00000010  
There are four data registers in the G751, selected  
by the Pointer register. At power-up the Pointer is set  
to 00; the location for the Temperature Register.  
The Pointer register latches whatever the last loca-  
tion it was set to. In Interrupt Mode, a read from the  
G751, or placing the device in shutdown mode, re-  
sets the O.S. output. All registers are read and write,  
except the Temperature register which is read only.  
The first data byte is the most significant byte with  
most signification bit first, permitting only as much  
data as necessary to be read to determine tempera-  
ture condition. For instance, if the first four bits of the  
temperature data indicates an overtemperature con-  
dition, the host processor could immediately take  
action to remedy the excessive temperatures. At the  
end of a read, the G751 can accept either Acknowl-  
edge or No Acknowledge from the Master (No Ac-  
knowledge is typically used as a signal for the salve  
that the Master has read its last byte).  
A write to the G751 will always include the address  
byte and the Pointer byte. A write to the Configura-  
tion register requires one data byte, and the TOS and  
T
HYST registers require two data bytes.  
An inadvertent 8-bit read from a 16-bit register, with  
the D7 bit low, can cause the G751 to stop in a state  
where the SDA line is held low as shown in Figure 2.  
This can prevent any further bus communication until  
at least 9 additional clock cycles have occurred. Al-  
ternatively, the master can issue clock cycles until  
SDA goes high, at which time issuing a 
״
Stop
״
 
condition will reset the G751.  
Reading the G751 can take place either of two ways:  
If the location latched in the Pointer is correct (most  
of the time it is expected that the Pointer will point to  
Temperature register because it will be the data  
most frequently read from the G751), then the read  
can simply consist of an address byte, followed by  
retrieving the corresponding number of data bytes. If  
the Pointer needs to be set, than an address byte,  
pointer byte, repeat start, and another address byte  
will accomplish a read.  
SMBCLK  
SMBDATA  
A2  
A1  
A0  
D7  
D15  
D14  
D6  
D5  
D4  
D3  
D2  
D1  
D0  
D13  
D12  
D11  
D10  
D9  
D8  
R/W  
Bit  
Stop  
Cond  
by  
Ack  
by  
Master  
Ack  
by  
G751  
Ack  
by  
Master  
Master  
Start  
by  
Master  
Address Byte  
Most Significant  
Data Byter  
Master detects the error  
of its ways  
Intended Stop by  
Master but G751 locks SMBDATA low  
Figure 2. Inadvertent 8-Bit Read from 16-Bit Register where D7 is Zero  
TEL: 886-3-5788833  
http://www.gmt.com.tw  
Ver: 2.7  
Dec 26, 2005  
6
Global Mixed-mode Technology Inc.  
Pointer Register  
(Selects which registers will be read from or written to):  
G751  
P7  
P6  
P5  
P4  
P3  
P2  
P1  
P0  
0
0
0
0
0
0
Register Select  
P0-P1 :Register Select:  
P1  
0
P0  
0
REGISTER  
Temperature (Read only) (Power-up default)  
Configuration (Read/Write)  
THYST (Read/Write)  
0
1
1
0
1
1
TOS (Read/Write)  
P2-P7 :Must be kept zero.  
Temperature Register  
(Read Only):  
D15 D14 D13 D12 D11 D10  
MSB Bit 7 Bit 6 Bit 5 Bit 4 Bit 3  
D0-D6 :Undefined  
D9  
D8  
D7  
D6  
D5  
D4  
D3  
D2  
D1  
D0  
Bit 2  
Bit 1  
LSB  
X
X
X
X
X
X
X
D7-D15 :Temperature Data. One LSB = 0.5°C. Two's complement format.  
Configuration Register  
(Read/Write):  
D7  
D6  
D5  
D4  
D3  
Fault Queue  
D2  
D1  
Cmp/Int  
D0  
Shutdown  
0
0
0
O.S. Polarity  
Power up default is with all bits 0(zero).  
D0 :Shutdown : When set to 1 the G751 goes to low power shutdown mode.  
D1 :Comparator / Interrupt mode : 0 is Comparator mode, 1 is Interrupt mode.  
D2 :O.S. Polarity : 0 is active low, 1 is active high. O.S. is an open-drain output under all conditions.  
D3-D4 :Fault Queue : Number of faults necessary to detect before setting O.S. output to avoid false tripping due  
to noise :  
D4  
0
D3  
0
NUMBER OF FAULTS  
1 (Power-up default)  
0
1
2
4
6
1
0
1
1
D5-D7 :These bits are used for production testing and must be kept zero for normal operation.  
T
HYST and TOS Register  
(Read/Write):  
D15 D14 D13 D12 D11 D10  
D9  
D8  
D7  
D6  
D5  
D4  
D3  
D2  
D1  
D0  
MSB Bit 7  
Bit 6  
Bit 5  
Bit 4  
Bit 3  
Bit 2  
Bit 1  
LSB  
X
X
X
X
X
X
X
D0-D6 :Undefined  
D7-D15 :THYST Or TOS Trip Temperature Data. Power up default is TOS = 50°C /80°C for G751-1/G751-2, THYST  
45°C /75°C for G751-1/G751-2.  
=
TEL: 886-3-5788833  
http://www.gmt.com.tw  
Ver: 2.7  
Dec 26, 2005  
7
Global Mixed-mode Technology Inc.  
G751  
SMBus Timing Diagrams  
1
1
9
9
1
9
A1  
D4  
D3  
1
0
0
1
A2  
A0  
D7  
D5  
D2  
D1  
D0  
D7  
D6  
D6  
D5  
D4  
D3  
D2  
D1  
D0  
R/W  
Start  
by  
Master  
Ack  
by  
G751  
Ack  
by  
Master  
No Ack  
by  
Master  
Stop  
Cond  
by  
Master  
Address Byte  
Most Significant Data Byte  
Least Significant Data Byte  
1
1
9
9
A1  
D1  
D0  
1
0
0
1
A2  
A0  
R/W  
0
0
0
0
0
0
Start  
by  
Master  
Ack  
by  
G751  
Ack  
by  
G751  
Address Byte  
Pointer Byte  
1
1
1
9
9
1
9
A1  
D4  
D3  
0
0
1
A2  
A0  
D7  
D5  
D2  
D1  
D0  
D7  
D6  
D6  
D5  
D4  
D3  
D2  
D1  
D0  
R/W  
Ack  
by  
G751  
Ack  
by  
Master  
No Ack  
by  
Master  
Stop  
Cond  
by  
Repeat  
Start  
by  
Master  
Address Byte  
Most Significant Data Byte  
Least Significant Data Byte  
Master  
1
1
1
9
9
D6  
D3  
D2  
A1  
D7  
D5  
D4  
D0  
0
0
1
A2  
A0  
R/W  
D1  
Start  
by  
Master  
Ack  
by  
G751  
Stop  
Cond  
by  
Ack  
by  
G751  
Master  
Address Byte  
Pointer Byte  
TEL: 886-3-5788833  
http://www.gmt.com.tw  
Ver: 2.7  
Dec 26, 2005  
8
Global Mixed-mode Technology Inc.  
G751  
Timing Diagrams (Continued)  
TEL: 886-3-5788833  
http://www.gmt.com.tw  
Ver: 2.7  
Dec 26, 2005  
9
Global Mixed-mode Technology Inc.  
G751  
Package Information  
C
H
E
L
D
θ
7 ° (4X)  
A2  
A1  
A
y
e
B
SOP-8 Package  
Note:  
1. Package body sizes exclude mold flash and gate burrs  
2. Dimension L is measured in gage plane  
3. Tolerance 0.10mm unless otherwise specified  
4. Controlling dimension is millimeter converted inch dimensions are not necessarily exact.  
DIMENSION IN MM  
DIMENSION IN INCH  
SYMBOL  
MIN.  
1.35  
0.10  
-----  
NOM.  
1.60  
-----  
1.45  
-----  
-----  
-----  
-----  
1.27  
-----  
-----  
-----  
-----  
MAX.  
1.75  
0.25  
-----  
MIN.  
0.053  
0.004  
-----  
NOM.  
0.063  
-----  
MAX.  
0.069  
0.010  
-----  
A
A1  
A2  
B
0.057  
-----  
0.33  
0.19  
4.80  
3.80  
-----  
0.51  
0.25  
5.00  
4.00  
-----  
0.013  
0.007  
0.189  
0.150  
-----  
0.020  
0.010  
0.197  
0.157  
-----  
C
D
E
-----  
-----  
-----  
e
0.050  
-----  
H
L
5.80  
0.40  
-----  
6.20  
1.27  
0.10  
8°  
0.228  
0.016  
-----  
0.244  
0.050  
0.004  
8°  
-----  
y
θ
-----  
0°  
0°  
-----  
TEL: 886-3-5788833  
http://www.gmt.com.tw  
Ver: 2.7  
Dec 26, 2005  
10  
Global Mixed-mode Technology Inc.  
G751  
A
A
8
C
E1  
E
L
1
DETAIL “A”  
e
θ2  
A2  
A
0.076  
C
R1  
R
SEATING PLANE  
A1  
GAUGE PLANE  
b
D
WITH PLATING  
BASE METAL  
θ3  
c1  
c
L
θ1  
b1  
b
SECTION A-A  
MSOP-8 Package  
DIMENSION IN MM  
DIMENSION IN INCH  
SYMBOL  
MIN.  
-----  
NOM.  
-----  
MAX.  
1.10  
0.15  
0.91  
0.40  
0.35  
0.23  
0.18  
3.10  
3.10  
MIN.  
-----  
NOM.  
-----  
MAX.  
0.043  
0.006  
0.036  
0.012  
0.014  
0.009  
0.007  
0.122  
0.122  
A
A1  
A2  
b
0.05  
0.81  
0.25  
0.25  
0.13  
0.13  
2.90  
2.90  
-----  
0.002  
0.032  
0.008  
0.010  
0.005  
0.005  
0.114  
0.114  
-----  
0.86  
0.034  
-----  
-----  
b1  
c
0.30  
0.012  
-----  
c1  
D
0.15  
0.006  
0.118  
3.00  
E1  
e
3.00  
0.118  
0.65 BSC  
4.90 BSC  
0.55  
0.026 BSC  
0.193 BSC  
0.0217  
-----  
E
L
0.445  
0.648  
0.0175  
0.0255  
θ1  
θ2  
θ3  
0°  
-----  
6°  
0°  
6°  
12 REF  
12 REF  
-----  
12 REF  
12 REF  
-----  
R
R1  
0.09  
0.09  
-----  
0.004  
0.004  
-----  
-----  
-----  
-----  
-----  
JEDEC  
MO-187AA  
TEL: 886-3-5788833  
http://www.gmt.com.tw  
Ver: 2.7  
Dec 26, 2005  
11  
Global Mixed-mode Technology Inc.  
G751  
Pin #1 Identification  
Chamfer 0.3 X 45°  
D2  
e1  
D
Pin 1 Dot  
By Marking  
L
E
E2  
b
e
Top View  
A1  
A
A2  
TDFN3X3-8 Package  
DIMENSION IN MM  
DIMENSION IN INCH  
SYMBOL  
MIN.  
0.700  
0.000  
0.195  
0.250  
2.900  
2.25  
NOM.  
0.750  
MAX.  
0.800  
0.050  
0.211  
0.350  
3.100  
2.35  
MIN.  
0.028  
0.000  
0.008  
0.010  
0.114  
0.089  
0.114  
0.061  
NOM.  
0.030  
MAX.  
0.031  
0.002  
0.008  
0.014  
0.122  
0.093  
0.122  
0.065  
A
A1  
A2  
b
-----  
-----  
0.203  
0.008  
0.300  
0.012  
D
3.000  
0.118  
D2  
E
2.300  
0.091  
2.900  
1.550  
3.000  
3.100  
1.650  
0.118  
E2  
e
1.600  
0.063  
0.650 BSC  
1.950 REF  
0.400  
0.026 BSC  
0.077 REF  
0.016  
e1  
L
0.350  
0.450  
0.014  
0.018  
Taping Specification  
PACKAGE  
SOP-8  
Q'TY/REEL  
2,500 ea  
MSOP-8  
2,500 ea  
TDFN3X3-8  
3,000 ea  
Feed Direction  
Typical SOP/MSOP Package Orientation  
Feed Direction  
Typical TDFN Package Orientation  
GMT Inc. does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and GMT Inc. reserves the right at any time without notice to change said circuitry and specifications.  
TEL: 886-3-5788833  
http://www.gmt.com.tw  
Ver: 2.7  
Dec 26, 2005  
12  

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